ID   PHS_DINSH               Reviewed;          97 AA.
AC   A8LKP0;
DT   20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT   04-DEC-2007, sequence version 1.
DT   03-AUG-2022, entry version 72.
DE   RecName: Full=Putative pterin-4-alpha-carbinolamine dehydratase {ECO:0000255|HAMAP-Rule:MF_00434};
DE            Short=PHS {ECO:0000255|HAMAP-Rule:MF_00434};
DE            EC=4.2.1.96 {ECO:0000255|HAMAP-Rule:MF_00434};
DE   AltName: Full=4-alpha-hydroxy-tetrahydropterin dehydratase {ECO:0000255|HAMAP-Rule:MF_00434};
DE   AltName: Full=Pterin carbinolamine dehydratase {ECO:0000255|HAMAP-Rule:MF_00434};
DE            Short=PCD {ECO:0000255|HAMAP-Rule:MF_00434};
GN   OrderedLocusNames=Dshi_0134;
OS   Dinoroseobacter shibae (strain DSM 16493 / NCIMB 14021 / DFL 12).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Rhodobacterales;
OC   Roseobacteraceae; Dinoroseobacter.
OX   NCBI_TaxID=398580;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 16493 / NCIMB 14021 / DFL 12;
RX   PubMed=19741735; DOI=10.1038/ismej.2009.94;
RA   Wagner-Dobler I., Ballhausen B., Berger M., Brinkhoff T., Buchholz I.,
RA   Bunk B., Cypionka H., Daniel R., Drepper T., Gerdts G., Hahnke S., Han C.,
RA   Jahn D., Kalhoefer D., Kiss H., Klenk H.P., Kyrpides N., Liebl W.,
RA   Liesegang H., Meincke L., Pati A., Petersen J., Piekarski T.,
RA   Pommerenke C., Pradella S., Pukall R., Rabus R., Stackebrandt E., Thole S.,
RA   Thompson L., Tielen P., Tomasch J., von Jan M., Wanphrut N., Wichels A.,
RA   Zech H., Simon M.;
RT   "The complete genome sequence of the algal symbiont Dinoroseobacter shibae:
RT   a hitchhiker's guide to life in the sea.";
RL   ISME J. 4:61-77(2010).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=(4aS,6R)-4a-hydroxy-L-erythro-5,6,7,8-tetrahydrobiopterin =
CC         (6R)-L-erythro-6,7-dihydrobiopterin + H2O; Xref=Rhea:RHEA:11920,
CC         ChEBI:CHEBI:15377, ChEBI:CHEBI:15642, ChEBI:CHEBI:43120; EC=4.2.1.96;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00434};
CC   -!- SIMILARITY: Belongs to the pterin-4-alpha-carbinolamine dehydratase
CC       family. {ECO:0000255|HAMAP-Rule:MF_00434}.
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DR   EMBL; CP000830; ABV91883.1; -; Genomic_DNA.
DR   RefSeq; WP_012176816.1; NC_009952.1.
DR   AlphaFoldDB; A8LKP0; -.
DR   SMR; A8LKP0; -.
DR   STRING; 398580.Dshi_0134; -.
DR   EnsemblBacteria; ABV91883; ABV91883; Dshi_0134.
DR   KEGG; dsh:Dshi_0134; -.
DR   eggNOG; COG2154; Bacteria.
DR   HOGENOM; CLU_081974_3_2_5; -.
DR   OMA; WAEKWNH; -.
DR   OrthoDB; 1862336at2; -.
DR   Proteomes; UP000006833; Chromosome.
DR   GO; GO:0008124; F:4-alpha-hydroxytetrahydrobiopterin dehydratase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0006729; P:tetrahydrobiopterin biosynthetic process; IEA:InterPro.
DR   Gene3D; 3.30.1360.20; -; 1.
DR   HAMAP; MF_00434; Pterin_4_alpha; 1.
DR   InterPro; IPR036428; PCD_sf.
DR   InterPro; IPR001533; Pterin_deHydtase.
DR   PANTHER; PTHR12599; PTHR12599; 1.
DR   Pfam; PF01329; Pterin_4a; 1.
DR   SUPFAM; SSF55248; SSF55248; 1.
PE   3: Inferred from homology;
KW   Lyase; Reference proteome.
FT   CHAIN           1..97
FT                   /note="Putative pterin-4-alpha-carbinolamine dehydratase"
FT                   /id="PRO_1000080608"
SQ   SEQUENCE   97 AA;  11002 MW;  008117470333FF3C CRC64;
     MAQKLDDSTR DEHLAPLMRA GWEMVEGRDA IKKTFVFGDF TEAFAFMTGT ALWAEKWDHH
     PEWSNVYKTV EVTLTTHDVG GLSELDIKLA SKMDNLA